perf help: No need to use strbuf_remove()

It is the only user of this function, just use the strlen() to skip
the prefix.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-blao710l5cd5hmwrhy51ftgq@git.kernel.orgSigned-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 940db6dc
...@@ -86,8 +86,7 @@ static int check_emacsclient_version(void) ...@@ -86,8 +86,7 @@ static int check_emacsclient_version(void)
return -1; return -1;
} }
strbuf_remove(&buffer, 0, strlen("emacsclient")); version = atoi(buffer.buf + strlen("emacsclient"));
version = atoi(buffer.buf);
if (version < 22) { if (version < 22) {
fprintf(stderr, fprintf(stderr,
......
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